Will this work on the K-4309 bowl as a replacement for a broken K-4418 tank?
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Ben, my name is Jessica with Kohler Customer Service. I am happy to assist with your inquiry. K-4369-96 is compatible with K-5309-96 bowl only. Your current K-4309 bowl is compatible with the following tanks: K-4418-96 and K-4421-96. Thank you for choosing Kohler.
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